patchBay

Big Book vs Open Library

Both are solid Books APIs. Choose based on your specific requirements.

Big Book

The Big Book API allows you to semantically search, filter, sort, and recommend books

Open Library

Books, book covers and related data

Big Book

  • Simple API key authentication
  • HTTPS supported
  • CORS enabled for frontend use

Open Library

  • No authentication required
  • HTTPS supported
  • No CORS support
FeatureBig BookOpen Library
AuthenticationapiKeyNone
HTTPSYesYes
CORSYesNo

When to use which?

Open Library is the better choice for quick prototypes and hackathons since it requires no authentication. Big Book works directly from the browser with CORS enabled, making it better for frontend-only apps.